Home / 5,633.87-7,774.63-3,115.94

Finding the Fourth Proportional to 5,633.87, 7,774.63 and 3,115.94

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Solution

The fourth proportional to 5,633.87, 7,774.63 and 3,115.94 is: 4,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.87 : 7,774.63 = 3,115.94 : x
  2. Step 2: Convert to fraction form
    5,633.87/7,774.63 = 3,115.94/x
  3. Step 3: Cross multiply
    5,633.87x = 7,774.63 × 3,115.94
  4. Step 4: Simplify right side
    5,633.87x = 24,225,251.47
  5. Step 5: Solve for x
    x = 24,225,251.47/5,633.87
  6. Step 6: Final answer
    x = 4,299.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.